JPH0525048B2 - - Google Patents
Info
- Publication number
- JPH0525048B2 JPH0525048B2 JP14255585A JP14255585A JPH0525048B2 JP H0525048 B2 JPH0525048 B2 JP H0525048B2 JP 14255585 A JP14255585 A JP 14255585A JP 14255585 A JP14255585 A JP 14255585A JP H0525048 B2 JPH0525048 B2 JP H0525048B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- excavator
- distance
- detection device
- target line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009412 basement excavation Methods 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 31
- 230000005641 tunneling Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14255585A JPS625118A (ja) | 1985-07-01 | 1985-07-01 | 掘進機の位置検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14255585A JPS625118A (ja) | 1985-07-01 | 1985-07-01 | 掘進機の位置検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS625118A JPS625118A (ja) | 1987-01-12 |
| JPH0525048B2 true JPH0525048B2 (enrdf_load_stackoverflow) | 1993-04-09 |
Family
ID=15318061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14255585A Granted JPS625118A (ja) | 1985-07-01 | 1985-07-01 | 掘進機の位置検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625118A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0335114A (ja) * | 1989-06-30 | 1991-02-15 | Komatsu Ltd | 地下掘進機械の位置計測装置 |
-
1985
- 1985-07-01 JP JP14255585A patent/JPS625118A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS625118A (ja) | 1987-01-12 |
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